Djokovic goes Gangnam style

World number one Novak Djokovic needed just 90 minutes to eased past Andreas Haider-Maurer and into the third round of the US Open, so he decided to give the fans some post-match entertainment.

Chatting with ESPN’s Brad Gilbert after the match, Djokovic was asked about the well known US Open fan who dances in the aisle of the top row of Arthur Ashe Stadium during changeovers. Next thing you know that fan is courtside and being invited out onto the court by Djokovic. And then this happened…